SolvedECSH81500 | Sanctions for non-compliance - advice letter
From HM Revenue & Customs · Economic Crime Supervision Handbook
An advice letter is only appropriate in cases where there are no contraventions of The Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017, but practices, if continued by the business, could lead to future contraventions.
An advice letter is not a sanction in itself.